Rechargeable tea lights which offer a safer, more cost effective alternative to real candles. Can be left unattended without fire risk and avoids wax stains and damage to table linen. Unique stacking system allows up to 4 sets to be charged using one power adaptor (sold separately) and Sure Charge technology prevents batteries from over charging resulting in longer battery life. 3hr charge gives approx. 15hr run time and individual indicator lights show which candles are fully charged. Replacement candles available separately.